http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Assessment of the perception of desertification processes in two rural-dryland counties of Mexico
Microfiche. Ann Arbor, Mich. : University Microfilms International, 1985. 4 microfiches ; 11 x 15 cm.